Rotor position detector with back EMF voltage estimation

Details Rotor position detector with back EMF voltage estimation Rotor position detector with back EMF voltage estimation

1993-05-12

1995-01-24

Peckman, Kristine L.

Electricity: single generator systems

With physical starting and/or stopping of the generator

318254, H02K 2906

Patent

active

053845277

ABSTRACT:
A detector for detecting rotor position of a brushless generator having a motive power shaft and a main generator portion having a set of armature phase windings capable of receiving AC power and developing a back EMF voltage during operation in a starting mode, includes a circuit coupled to the set of armature phase windings and capable of responding to the AC power for producing a back EMF estimate signal representing an estimate of the back EMF voltage. The detector also includes a circuit for converting the back EMF estimate signal into an indication of the angular position of the motive power shaft.

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